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Shine india monthly magazine
Shine india monthly magazine published this article page no 52 india is the second most populous country in the world after china with a total population of 121 crores or 1.21 billion according to the census of india 2011 provisional. as can be seen from table 1 the growth rate of indias population has not always been very high. between 1901–1951 the average annual growth rate did not exceed 1.33% a modest rate of growth. in fact between 1911 and 1921 there was a negative rate of growth of – 0.03%. this was because of the influenza epidemic during 1918–19 which killed about 12.5 million persons or 5% of the total population of the country visaria and visaria 2003 191. th...
Shine india monthly magazine
Shine india monthly magazine published this article page no 53 since then although the annual growth rate has decreased it remains one of the highest in the developing world. chart 1 shows the comparative movement of the crude birth and death rates. the impact of the demographic transition phase is clearly seen in the graph where they begin to diverge from each other after the decade of 1921 to 1931. before 1931 both death rates and birth rates are high whereas after this transitional moment the death rates fall sharply but the birth rate only falls slightly shine india monthly magazine subscription . Shine india monthly magazine Shine india monthly magazine published this article page no 54 the principal reasons for the decline in the death rate after 1921 were increased levels of control over famines and epidemic diseases. the latter cause was perhaps the most important. the major epidemic diseases in the past were fevers of various sorts plague smallpox and cholera. but the single biggest epidemic was the influenza epidemic of 1918-19 which killed as many as 125 lakh people or about 5% of the total population of india at that time. estimates of deaths vary and some are much higher. also known as spanish flu the influenza pandemic was a global phenomenon – see the box below. a pandemic is an epidemic that ... Shine india monthly magazine Shine india monthly magazine published this article page no 55 influenza is caused by a virus that attacks mainly the upper respiratory tract – the nose throat and bronchi and rarely also the lungs. the genetic makeup of influenza viruses allows for both major and minor genetic changes making them immune to existing vaccines. three times in the last century the influenza viruses have undergone major genetic changes resulting in global pandemics and large tolls in terms of both disease and deaths. the most infamous pandemic was spanish flu which affected large parts of the world population and is thought to have killed at least 40 million people in 1918-1919Read More....
Shine india monthly magazine Shine india monthly magazine published this article page no 56 more recently two other influenza pandemics occurred in 1957 asian influenza and 1968 hong kong influenza and caused significant morbidity and mortality globally. the global mortality rate from the 1918/1919 spanish flu pandemic is not known but is estimated at 2.5 – 5% of the human population with 20% of the world population suffering from the disease to some extent. influenza may have killed as many as 25 million in its first 25 weeks in contrast aids killed 25 million in its first 25 years shine india monthly magazine subscription.